#asktheexpert birth weight of my baby girl (fully formula fed) was 2.5 kg and after 3months and 23 days her weight is 5.1 kg. 1. is this weight gain normal? 2. she takes around 700-750ml feed per day. is this normal? 3. there is a khar khar noise from her nose/throat. what should I do? 4. she has been coughing regularly and then vomitting rarely and her intake is decreasing, what to do ? pls help in answering all my queries.